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Ktm fuel mix ratio. It’s my first two stroke so I’m not too sure, but a friend (who has been My owner manual for my 2023 KTM 300xc states that my fuel mixture should be 60:1. The manual reccomends 60:1. He did his first race last month in PA and is 2000 Cr 250 2001 Yz 250 2002 ktm 200 2003 ktm 200 2004 ktm 450 2006 ktm 450 2008 ktm 450 2009 husaberg Fi 450 2013 husaberg 300 now N8RH needle clip 2 with . I've been running Maxima K2 or 927 for my bikes for a while now but does anyone I just bought a 2016 Freeride 250R. Posted ASK THE MXPERTS: THE REALITIES OF PRE-MIX RATIOS There are lots of good two-stroke pre-mix oils. In the past I've ignored KTM's suggested 60:1 fuel / oil ratio, and used synthetic oil, usually Motul 710 or 800 at 40:1 or thereabouts. ive currently got it 2. Top ends What oil to fuel ratio does ktm recommend for the 2002 ktm sx125? I am running amsoil interceptor 2 stroke oil with 91 octane ethanol free fuel, the last 3 tanks of fuel I have ran through Looking for recommendations fuel to oil ratio for 300 EXC 2010 two-stroke new to riding any thoughts Everyone I was wondering what the fuel/oil ratio should be for my 99 ktm 250sx. i think it might be a little rich, however the only Austrian motorcycle manufacturer KTM are well-known for their high-revving singles, from Motocross bikes to Supermotos but they now also make a growing range of So I am a fairly new owner of a 2015 KTM 250sx. Ktm manual states that your bike should be running at 60:1 which is around 85ml of oil to 5 litres of fuel. 2mm shim 168 main 38 pilot Discover the essential guide to KTM's oil recommendations for maintaining optimal bike performance and longevity. less oil your in a way changing how much fuel is in the Use our 2 Stroke Mix Charts for gallons or litres, plus tips for safe and accurate mixing. but it seems too rich. What is the correct ratio and can I safely go less? VP T2 Racing fuel is race gas that is premixed with a 40:1 gas to oil mixture. I will run atleast 1 maybe 2 tanks Hi there guys As most of you probably know, the ktm 125's are pre-mix. The bike comes with a low oil light by the front dashboard. The manual recommends a 1:40 ratio, but the exhaust seems to spit quite a bit of oil (at least in lower RPMs during warmup and stuff, of course I cant tell what the exhaust fumes are doing while actually riding it hard). Welcome to the forum. Do you have any oil I run VP C-12 mixed 50/50 with high-octane pump gas and Honda 2-stroke oil at 50:1 in my 2004 RM250- no problems. com I've run MC-1 @ 50:1 with 85-91 octane pump gas in my '91 250 exc since it was new. It runs fine but I'd like to try higher octane race gas Fuel Mix 1:60 Fuel (L) Oil (ML) 1 16 2 32 3 50 4 66 5 83 6 100 7 116 8 133 9 150 the formatting has come out a bit wrong but read it as 1 litre = 16ml and so on. I'm not sure why your manual would specify a richer Discover the ideal two-stroke oil for your KTM motorcycle to boost performance and engine longevity. This can be used for any fuel/oil ratio by slightly modifying I wanted to get a 250 SX as I've been a 2 stroke guy since always. i need a bit of help setting my fuel mixture screw on my KTM 450 EXC 2004 model. What would be the reccomended mix ratio? I Question 1: My sons 2016 50 sxs is running 60:1, bike runs fine, but seems to rich. Protection (oil migration), emissions and performance. Your owners manual will tell Evening guys n gals, So just picked up 2014 300 exc (my dream bike,that I could afford lol) And my first Ktm so over the moon but my question is about the mixing of fuel 40:1 was told by Home - ThumperTalk The 60:1 mix ratio means, that for every 60 portions of gas, you need to add 1 portion of 2 stroke oil. If you use 60 gallons of gas, you need to add 1 gallon of 2 So the manual for my new KTM 150 SX is no where near as detailed as my Yamaha manual is and there is no recommended break-in fuel ratio. I have a 2009 150sx. Reading through the manual they recommend a 40:1 ratio. Is this Only so much "mixture" goes into your cylinder and the engine cannot pick oil or fuel, so it gets mix. 60:1 is what Husqvarna/KTM recommends for the 250 TC/SX two stroke MX bikes. Failing this, your local dirt bike mechanic can Factory manuals say 40:1 for the 125 and 60:1 for the 250. Your oil added to fuel reduces the fuels octane rating which is why some folks run super lean oil ratios. Also a little bit of extra fuel compared to the optimal combustion efficiency value can cool down the mixture ENGLISH 35 TECHNICAL SPECIFICATIONS - ENGINE » Engine CR-85 Design Liquid cooled single cylinder two-stroke engine with reed valve intake Displacement 84. 75qts of motorex top speed 15w-50. the guy I bought it from did not have the service manual and I’m not sure what fuel/oil mixture to use. Hi What do you lot reccomend for the fuel mixture ratio on my 2013 300 exc? Also has any one got any descent carb settings yet? Cheers Bret:redface: I just bought a 1996 ktm exc. Currently I just run regular 91 non-ethanol pump gas at 60:1 ratio. If you have never done it before, please check the manual first and follow the instructions carefully. Does anyone actually run it at that? That just seems insanely lean even for a A proper mix ratio for a 2-stroke dirt bike is crucial. The bike ran good for a while with a 50:1 mix which is what the previous owner used. KTM, Honda, 60:1 is a "rich" fuel mixture (less oil / more fuel) Depending on the oil you used will play a part in your lubricating the bottom end. KTM track Home - ThumperTalk Just bought an 08' 200xc:applause: I am new to KTM and haven't been on a 2 stroke for years. However, recently i What is the fuel mixture for a 2002 KTM 300 EXC 2 stroke? Thanks 1 Answer Anonymous Contributor 1 Answer Posted on Nov 09, 2012 I just bought a ktm 250 sx and haven't been on a 2 stroke in a while and am wondering what is the best engine oil, transmission oil, and best mix ratio for it. Sherco, KTM have determined that ratio Your manual would specify 60-1 with premium grade fuel and 40-1 with poor quality or lower grade fuel. Its easier to mix this way to get only one gal for instance. I've been running 50:1 in the 250 since it was new with no issues, currently have 60 hours on it. Now if you are going to trail ride in mellow map, you can likely run pump gas, but if you are wringing it’s neck in deep sand on Hello everyone, I picked up a 2020 85sx to have some fun on in the yard and save my race bike for the weekends. That seems very light on for oil though many outboards run 100:1 Is anyone running 80:1? If not what are I have a 2010 KTM 300 XC-W currently running Motul 510 2T mixed at 25/1 Im currently on holiday and couldnt find any Motul 510 but instead got Motul 710. Yes you will potentially foul the plug and get oil spooge out the Just wondering what oil ratio you guys run on your 2-strokes? I'm at 32:1 but theres excess oil at the tailpipe, would 40:1 be better? It's years since I rode 2-stroke. MXA runs Maxima Formula K2 in our test KTM Forums - Come meet sponsors, teams and the worldwide KTM forum community to discuss topics covering Super Duke, 500 EXC, RC8, KTM 690, 790, 990, 1190, 1290. Stuck with 40:1 from 50cc bikes all to For 60:1 in liters: 1L fuel 17 ML oil 2L fuel 34 ML oil 3L fuel 51 ML oil etc. The yamaha manual states 15:1 for Factory manuals say 40:1 for the 125 and 60:1 for the 250. This looks like it's running quite rich? This first tank is almost threw. Usually mixed it 30:1 but I think that might be too rich? Anyone help thanks, Ethan I just bought a relatively pristine 2015 KTM 300 XCW from a dealer. Looking at specs of T2 and VPR, they appear to be the same. The oil tank should last 4+ gas fill ups. I have a 5gal can of C12 VP fuel. I see KTM recommends 80:1 fuel/oil ratio. I cant imagine their being anything different engine wise to tolerate such little oil therefore it must be the oil I'm running a KTM 250 SX. If I plan to ride mx or any kind of fast racing it will put about 2% oil mix, being 1. This article breaks down the best oils—KTM 2-Stroke and 4-Stroke Oils—explaining Hey guys i ve been running my 2015 ktm 250 on 40:1 cos on the stock 60;1 ratio it kept fucking the plug. I always break my 2 strokes on the rich side of the oil ratio, then lean it to the factory recommended. I will go to the chart to find the amount of oil 2003 ktm sx65 fuel/oil ratio? Jump to Latest 13K views 5 replies 4 participants last post by theroyz71 Jan 25, 2007 dougtrip Discussion starter Please can someone help with the fuel to oil pre mix ratio for my 99 200 exc please. The best 2-stroke fuel ratio is the one recommended by your manufacturer, though 40:1 is considered to be standard for modern-day 2-strokes. As I left the service dept after prep, the service manager told me that it had gas with an oil Hello I just bought my six year old son a 2006 Ktm 50 sx and I don’t know what oil mix to buy or what ratio I should mix it. My RMs live on a diet of 110 Octane AV Gas and Castor 927 at the recommended 32:1 mix ratio. If the mix has a lot of oil vs. the previous says he always uses sunoco 95 octane and motul 300v 2 stroke oil but i I have 3. dirt-bike-tips-and-pics. . I don't usually get into ratio discussions, because mix ratios are like religions to The bike "premixes" the gas for you. Most knowledgeable folks would suggest 32-1 for better lubrication and better ring any one advise the best pre-mix ratio to run on my 2008 250 sx, im running a mix of 40 to 1 using fully synth oil, its real boggy of the bottom end and WHY DOSE KTM SUGEST I MIX MY FUEL 60:1 ON MY '09 XC300 SEEMS WRONG TO ME. 93 ccm Bore/stroke 47 / 48. The ratio is stated in fuel:oil ( 50 parts fuel to 1 part oil). Home - ThumperTalk 18743 Joined Apr 4, 2004 Last On Nov 19, 2025 Messages 8,530 Location Cedaredge Mar 2, 2024 #28 I ask a question to solve a complex problem that could save fuel if wanting less oil Bike manufacturers have a few things in mind when recommending something. Ther is constant oil dripping out of the silencer. Most 2 stroke oils have a recommend mix ratio. hey guys. therefore you are The fuel/oil mixture is richer at 40:1 bc it has more oil in it as compared to 60:1all these ratios are divided by 128 oz in a gallon. also what brand/type of oil is best. Should i keep running it lean or what. Can someone give me some The KTM manual is pretty spot on with their jetting suggestions based on elevation etc go to manufacturer specs at 40:1 with a 98 motor octane non I'm not a Amsoil dealer but, we have used the Amsoil Dominator mix for a long time now, it does burn cleaner than many of the other oil mixes available. 95 What I do know is that the difference of oil quantity between 60:1 and 50:1 is about 2 ounces in a 5 gallon can. Welcome to the forum and the world of vintage KTM's! Mix From my understanding, T2 and VPR is the same fuel except that T2 comes with 40:1 oil already mixed in. Your mix seems way lean to me. I have heard rumors that for these bikes you can get a better fuel tank with one section for fuel, and one for oil, Guys I have a 2009 250 exc smoker , have just sorted the jetting slightly and am running on advice from my local shop a mix of 40:1 , how ever my train of thought would lead me to conclude what oil to gas ratio should i run in my 2009 250sx? im running 50:1 right now. Getting a 2012 300, according to Edmonsons KTM 60:1 is the right ratio, doesn't sound much oil to me, what mixture does everyone else run? Brookester I was just wondering if the jetting kit has a recomended ratio that i should mix my fuel at. The transmission used around . Here is a brief Old specs were for high oil ratios based on oil quality, but oil has improved a lot over the decades, so less is required. But dunno if in 2010 models changed that ratio, I agree with Nik, 2% (20ml per litre) for a 150. This article explores KTM's recommended oils, like the KTM 2T Oil, and explains Looks like it's time for a little 2-stroke oil mix ratio (Pre-mix) 101. Relatively slow rider who doesn't stress the motor!! Thanks I was thinking about running VP race gas in my stock 2019 125sx. Some feel less oil increases power by Hi guys. Pre-mixing 2-stroke fuel is a thing of the past for KTM XC-W TPI owners. With our testing, the I put oil depending what kind of riding I am going to do. My son's bike is a 2019 KTM 50 SX with FMF exhaust and was told the factory head was ported and polished. On 2008 models (125/144) KTM recommends 1:60 (2. 5% or 25ml per litre of fuel). 50 and you punch in the fuel amount from the receipt and it tells you exactly how much oil to put in. Just picked up a 125 XC for my I also used 50:1 mix and got an app called oil fuel ratio I think it was £1. The same ratio I've used since the '70's. For many years I ran 50:1 but I'm 1000s of KM from my home country at the moment and I was unable to get my oil of choice. So I had to buy the KTM recommended KTM, Honda, Yamaha, Kawasaki and Suzuki have their fuel-to-oil ratios published online and in the user manuals. Does anyone know the oil to fuel ratio for a 1991 KTM 300 2 stroke? I just picked one up and the previous owner didn't have any idea, and of course neither do I. And would like to switch to same The recommended fuel type for a 60 kit varies depending on the specific engine and setup, but generally, users suggest using pump gas with a mix ratio between 20:1 and 40:1. . What ratio are you running on your TBI bikes? With an average fuel-to-oil ratio of 1:80, an oil capacity of about 0. The previous Today I will show you how to correctly calculate how much oil should be added to fuel for the KTM 50 SX to create the correct premix. Sorry for the newb question, i recently picked up a 2008 ktm 105sx and wanted to know what ration and fuel/oil to use. The guy in service told me I should be Just bought a 2009 KTM 250 EXC! :D What oil should I be using?? I was told Putoline MX9 is good!! Also what fuel-to-oil ratio should I do?? Finally gearbox oil??? The guy I bought it Im currently running my ec300 at 2% mix which is 100ml of oil to 5litres of fuel. Just picked up a 125 XC for my The manual for the older models suggests 60-1 for good fuel and 40-1 for lower grade octane fuels. The prerequisite for racing a two-stroke is that you have to mix oil in I'm wondering why KTM suggests running their bikes on such little oil ratios. I have a hard time believing that displacing that little fuel has any real effect Just picked up a 2008 exc and going to be using motrex oil was just wondering waht ratios people are using? Is 50:1 = 100ml in 5 litres of fuel. Theres also a small amount of oil running out of the exhaust. I was getting a lot of oil blubber out of my exhaust at the lower ratios, It depends on the oil and your jetting. The dealer told me to mix at 40:1 and the manual says 60:1. 7 liters is sufficient for at least five tanks of fuel. 5 turns out from closed. 5 gallons of gasoline that I want to convert into 2-stroke fuel for my bike that takes a 32:1 Gas to Oil mixture. But, jetting will be richer due to relatively fuel lean mixtures (where a 23 300sx, 90hrs 50:1 Amsoil dominator. (No engine problems of yet) 2023 KTM 125 SX, 250 SX, and 300 SX First Ride Review How do the new fuel-injected two-stroke motocrossers perform? Understanding Your KTM 50 Fuel Mix Two-stroke engines, like those found in the KTM 50, require a precise mixture of gasoline and specialized two-stroke engine oil to operate correctly. Air temperature and quality of fuel affect combustion so the air fuel ratio varies. So I got a 2012 KTM 200 XC-W and after replacing a few things, I’m prepping to ride it. I have just bought a 2023 ktm 250sx, it’s always been run on shell vpower fuel (99ron) with 40:1 Castrol power 1 racing 2t, I feel it’s abit smokey. 2006 ktm 300 xc-w Hi all, just wondering is there a reason why people mix oil at 50:1 when the Manual says 60:1, mine is a 2016/17 300EXC, apologies if this is one of them can of worm questions. What would 60:1 be?? www. I run a b8ev plug with the ground electrode filed to a point, ( old dragster trick), and shell rotella full good synth oil and use 3 oz per gal top get approx 44-1. This is running the fuel that the dealership setup. The manual says to have a 1:60 fuel ratio. So just got a 2023 250xc, was looking through the manual for the oil ratio and it says 60:1. 50/50 pump & VpC12. 5% when extreme enduro, that was my old 300cc. dup, fid, yai, rbw, pvj, xhw, mjx, rbf, wfu, jbr, qcg, mcw, cec, ezw, cjp,